31463434 has 16 divisors (see below), whose sum is σ = 49628520. Its totient is φ = 14938560.

The previous prime is 31463429. The next prime is 31463459. The reversal of 31463434 is 43436413.

It can be written as a sum of positive squares in 4 ways, for example, as 12567025 + 18896409 = 3545^2 + 4347^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909 + ... + 7984.

Almost surely, 2^31463434 is an apocalyptic number.

31463434 is a deficient number, since it is larger than the sum of its proper divisors (18165086).

31463434 is a wasteful number, since it uses less digits than its factorization.

31463434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8985.

The product of its digits is 10368, while the sum is 28.

The square root of 31463434 is about 5609.2275760572. The cubic root of 31463434 is about 315.6957293895.

Adding to 31463434 its reverse (43436413), we get a palindrome (74899847).

The spelling of 31463434 in words is "thirty-one million, four hundred sixty-three thousand, four hundred thirty-four".